Structural transitions in Ba1-xM xBiO3(M = K, Rb)

Shu ichi Nakamura, Yasumasa Koyama, Manabu Ishimaru

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Features of structural transitions in Ba1-xK xBiO3 (BKB) and Ba1-xRbxBiO3 (BRB) have been investiga electron diffraction. The analysis of the patterns shows that the crystal system at room temperature changes with respect by means of to x; the cubic system in x > 0.35 and the monoclinic one in 0.1 < x < 0.35. When the temperature is changed the cube to monoclinic transition takes place in 0.1 < x < 0.35. In addition, the softening of a phonon mode at the R point is observed in the cubic structure of x > 0.35.

Original languageEnglish
Pages (from-to)695-696
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume185-189
Issue numberPART 1
DOIs
Publication statusPublished - 1991 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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